<template>
<h4>{{person}}</h4>
  <h2>姓名：{{name}}</h2>
  <h2>年龄：{{age}}</h2>
  <h2>薪资：{{job.j1.salary}}K</h2>
  <button @click="name+='~'">修改姓名</button>
  <button @click="age++">增长年龄</button>
  <button @click="job.j1.salary++">涨薪</button>
</template>
<script>
import {ref,reactive,toRef,toRefs} from 'vue'
export default {
  name: 'Demo',
  setup() {
    // 数据
    let person = reactive({
      name: '张三',
      age: 18,
      job: {
        j1: {
          salary: 20
        }
      }
    })

    // const name1 = person.name
    // console.log('%%%', name1)

    // const name2 = toRef(person, 'name')
    // console.log(name2)

    const x = toRefs(person)
    console.log('******',x)

    // 返回一个对象（常用）
    return {
      person,
      // name: toRef(person, 'name'),
      // age: toRef(person, 'age'),
      // salary: toRef(person.job.j1, 'salary')
      ...toRefs(person)
    }
  }
}
</script>
